package org.example.facade;

/**
 * @author wangbin
 * @date 2024/4/18
 * @vesion 1.0
 */
public class DvdPlayer {
    private static DvdPlayer instance = new DvdPlayer();

    public static DvdPlayer getInstance() {
        return instance;
    }

    public void on() {
        System.out.println("on");
    }

    public void off() {
        System.out.println("off");

    }
}
